A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
is for discussions about tags, for example when they should be used, synonyms, or formulation of new tags.
is for discussions about what is on or off topic for the Robotics SE site
is for discussion about the creation of new tag-synonyms
currently under consideration, or needs further investigation.